Volcano profile · Albay, Philippines

Mayon

One of the world's most symmetrical volcanoes — capable of lava flows, pyroclastic density currents, ash emissions and destructive lahars.

Latest activity and alert level Check the live status hub

Mayon can change quickly as magma rises, lava accumulates and unstable material collapses from the summit. View the Volcoholics volcano directory for the latest verified official position from PHIVOLCS.

View latest Mayon status →
The Philippines' iconic cone

Symmetry shaped by repeated eruption

Mayon rises to about 2,462 metres above Albay and is one of the most recognisable stratovolcanoes on Earth.

Its steep, remarkably symmetrical cone has been built by repeated lava flows, ash, scoria and other volcanic deposits. The same steep geometry that creates Mayon’s famous profile also allows rockfalls, lava-collapse debris and pyroclastic density currents to accelerate rapidly down radial gullies.

Rain adds a second hazard system. Loose volcanic deposits can be remobilised into lahars that move through river channels long after explosive or effusive activity has subsided.

2,462 mSummit elevation
StratovolcanoVolcano type
Permanent Danger Zone6 km radius
PHIVOLCSOfficial monitoring
Mayon Volcano rising above the landscape of Albay
Mayon quick facts
Volcano type
Stratovolcano
Location
Albay, Bicol Region, Philippines
Summit elevation
About 2,462 metres
Defining feature
Steep symmetrical cone
Official agency
DOST-PHIVOLCS
Activity and behaviour

Lava growth, collapse and valley-focused hazards

Evergreen profile
How Mayon behaves

Mayon can produce lava effusion, lava fountains, ash emissions, rockfalls and pyroclastic density currents. The steep cone and radial gullies strongly control where hot material travels.

Check the latest verified status →
Characteristic activityLava effusionFlows can descend established gullies from the summit
Escalation hazardPyroclastic currentsCollapse-fed PDCs can accelerate rapidly downslope
Proximal hazardRockfallsUnstable hot blocks repeatedly move down the cone
Rainfall hazardLaharsLoose deposits are remobilised through river channels
Official sourcePHIVOLCSAuthoritative alerts, bulletins and hazard guidance
A permanent rule around Mayon

The 6-kilometre Permanent Danger Zone

PHIVOLCS has long treated the six-kilometre radius around Mayon as a Permanent Danger Zone because rockfalls, sudden explosions, lava collapse and pyroclastic density currents can occur with limited warning.

Steep coneGravity rapidly moves unstable material away from the summit.
Radial gulliesNatural channels focus lava, PDCs and rain-remobilised debris.
Sudden changeSmall shifts in summit activity can quickly alter proximal hazards.
Official guidanceOperational distances and restrictions belong to PHIVOLCS and local authorities.
Summit and drainage system

A perfect cone cut by dangerous pathways

Mayon’s symmetry hides a highly directional hazard system.

Material leaving the summit does not spread evenly in every direction. Lava, rockfalls and collapse-generated pyroclastic density currents preferentially descend gullies cut into the cone. Rain can later remobilise fresh deposits into lahars farther downstream.

SummitLava, gas, ash and explosive ejecta originate near the crater.
AccumulationHot blocks and lava build on steep upper slopes.
CollapseUnstable material can fail into established gullies.
Channelled flowPDCs and lahars travel through radial drainages.
Simplified diagram showing Mayon Volcano summit, gullies, pyroclastic currents and lahar pathways
Mayon’s summit-to-valley hazard system, simplified.
How Mayon erupts

From rising magma to downstream hazard

01Magma risesPressure, gas and deformation may increase beneath the summit.
02Lava reaches the craterEffusion, fountaining or explosive activity can begin.
03Material buildsLava and hot blocks accumulate on steep upper slopes.
04CollapseRockfalls and pyroclastic currents descend gullies.
05Rain remobilises debrisLahars move volcanic sediment through river channels.
Illustrative monitoring network around Mayon Volcano
Monitoring

Watching a steep cone from summit to river channel

PHIVOLCS combines multiple observations because no single signal defines Mayon’s behaviour. Seismicity, deformation, gas, thermal data and direct visual observations are interpreted together.

SeismicityTracks volcanic earthquakes, tremor, rockfalls and flow signals.
Ground deformationElectronic tilt, GPS and other methods track inflation and deflation.
GasSulfur dioxide measurements help assess degassing and magma supply.
Thermal observationsIdentify hot summit material, lava and active flow fronts.
Visual camerasTrack plume height, rockfalls, lava and weather-obscured periods.
River monitoringRainfall and downstream channels matter because of lahar risk.
A volcano through time

Mayon eruption timeline

1616

Early documented eruption

Historical records begin a centuries-long account of repeated activity at Mayon.

Major disaster1814

Destructive eruption overwhelms Cagsawa

One of Mayon’s most famous historical eruptions produced destructive pyroclastic activity and ashfall across surrounding communities.

1897

Powerful explosive eruption

A major eruption produced pyroclastic flows and widespread impacts around the cone.

1993

Sudden pyroclastic flows

An explosive event generated deadly pyroclastic density currents on the volcano’s flanks.

2006

Typhoon-triggered lahars

Heavy rainfall remobilised volcanic deposits into destructive lahars, underlining the importance of post-eruption sediment hazards.

2018

Lava fountaining and lava flows

Renewed magmatic activity produced sustained lava fountains, ash plumes and lava flows.

2023

Effusive eruption and dome-collapse hazards

Lava effusion, rockfalls and collapse-fed pyroclastic density currents again demonstrated Mayon’s steep-slope hazard system.

Modern episode2026

Lava effusion with repeated collapse-fed PDCs

PHIVOLCS documented sustained lava effusion, occasional weak Strombolian activity and repeated pyroclastic density currents within the summit drainage system.

Hazards

Mayon’s danger is both hot and wet

Pyroclastic density currents

Fast, hot mixtures of gas, ash and rock can descend gullies at destructive speeds.

Lava flows

Fluid-to-blocky lava can advance down established drainage sectors from the summit.

Rockfalls and avalanches

Unstable summit and flank material can move frequently even without large explosions.

Ashfall

Wind controls where ash travels, affecting communities, agriculture and aviation.

Lahars

Heavy rain can remobilise loose volcanic deposits into dense flows through river valleys.

Ballistic fragments

Sudden explosions can throw large blocks around the summit and upper slopes.

Myths versus reality

The perfect cone is not a predictable cone

Myth“Mayon’s symmetry means hazards spread evenly.”

In reality, gullies and drainage systems strongly focus lava, PDCs and lahars into particular sectors.

Myth“No big explosion means little danger.”

Rockfalls, lava collapse and pyroclastic currents can be serious even during largely effusive activity.

Myth“The danger ends when lava stops.”

Fresh deposits can be remobilised by heavy rain long after summit activity decreases.

Volcoholics insight

Mayon is a geometry lesson written in hazard

Its famous symmetry is not merely aesthetic. It reflects repeated construction of a steep cone, and that steepness controls how rapidly material can move away from the summit. Understanding Mayon means following the path from crater to gully to river — not simply watching the plume above the peak.

Questions answered

Mayon Volcano explained

Where can I find Mayon’s latest official status?

Use the Volcoholics volcano directory for the latest verified summary, then follow DOST-PHIVOLCS for authoritative alert levels, bulletins, exclusion zones and hazard guidance.

Why is Mayon so symmetrical?

Repeated eruptions have built layers of lava and fragmental material around a central vent, creating an unusually regular steep-sided cone.

What is the Permanent Danger Zone?

PHIVOLCS treats the six-kilometre radius around Mayon as a permanent high-risk zone because rockfalls, explosions, pyroclastic density currents and other hazards can occur with limited warning.

Why are lahars dangerous at Mayon?

Tropical rainfall can remobilise large volumes of loose ash and volcanic debris into fast-moving flows through river channels.

Who monitors Mayon?

DOST-PHIVOLCS operates the official monitoring network and publishes authoritative volcanic bulletins and hazard guidance.

Official science, made readable

Built from the agency watching Mayon

This evergreen profile uses DOST-PHIVOLCS publications and authoritative scientific literature as its factual basis. Geology, eruption style, hazards, monitoring and historical eruptions are presented separately from today’s operational status, which belongs in the Volcoholics volcano directory and official PHIVOLCS bulletins.

DOST-PHIVOLCSOfficial Mayon bulletins, monitoring, hazard maps and public guidance.
PHIVOLCS WOVOdat / LAVAArchived and modern activity reports used for eruption history and monitoring context.
Smithsonian Global Volcanism ProgramLong-term eruption history and geological reference data for Mayon.